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Ubuntu 24.04 LTS RetroArch Important Buffer Overflow DoS Issue USN-8166-1

ubuntu
Calendar Grey April 13, 2026
Dist Ubuntu Esm H88
RetroArch critical bug update for Ubuntu to fix buffer overflow enabling DoS and code execution risks.
RetroArch could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

RetroArch could be made to crash or run programs as your login if it opened

a specially crafted file.

Software Description:

- retroarch: A frontend for emulators, game engines and media players

Details:

It was discovered that RetroArch did not correctly handle certain memory

operations, which could lead to a buffer overflow. If a user or automated

system were tricked into opening a specially crafted file, an attacker

could possibly use this issue to cause a denial of service or execute

arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 25.10.

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow Ubuntu important RetroArch

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.10
  retroarch                       1.20.0+dfsg-3ubuntu0.1
  retroarch-dev                   1.20.0+dfsg-3ubuntu0.1

Ubuntu 24.04 LTS
  retroarch                       1.18.0+dfsg-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  retroarch-dev                   1.18.0+dfsg-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-8166-1

CVE-2025-9809

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8166-1

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow Ubuntu important RetroArch

Package Information

https://launchpad.net/ubuntu/+source/retroarch/1.20.0+dfsg-3ubuntu0.1

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